General anaesthesia for orthopaedic surgery J80 J44
Conditions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - All patients who would like to receive general anaesthesia for orthopaedic surgery at the Catholic Hospital Bochum - ASA 1-3 ASA The Classification of the American Society of Anesthesiologists (ASA Classification I- IV) is a widely applied categorization of the preoperative status of patients. It has a good predictive value regarding perioperative morbidity and mortality.
Exclusion criteria
Exclusion criteria: - lack of clarification or consent - pregnancy - simultaneous participation in another study - ASA IV or higher - severe lung disease - intolerance to sevoflurane (e.g. malignant hyperthermia or muscle disease) or piritramide
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| - end expiratory CO2 (et CO2) - respiratory minute volume (AMV) | — |
Secondary
| Measure | Time frame |
|---|---|
| - total dead volume (Vds in ml) - alveolar ventilation (VTalv) = Vds minus the aparative dead space percentage, - Dead space quotients = dead space volume / exhaled breath volume (Vds/VTE) - breathing rate (AF), ventilation pressures, lung compliance, resistance, breathing work (WOB) | — |
Countries
Germany
Contacts
Katholisches Klinikum gGmbH, Klinik für Anästhesiologie und operative Intensivmedizin